/*
 * Created on 31-Jul-2004
 * Created by Paul Gardner
 * Copyright (C) Azureus Software, Inc, All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 */

package org.gudy.azureus2.core3.disk.impl;

/**
 * @author parg
 *
 */

import org.gudy.azureus2.core3.disk.DiskManager;
import org.gudy.azureus2.core3.disk.DiskManagerFileInfo;
import org.gudy.azureus2.core3.disk.impl.piecemapper.DMPieceList;
import org.gudy.azureus2.core3.download.DownloadManagerState;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.torrent.TOTorrentException;

import com.aelitis.azureus.core.diskmanager.access.DiskAccessController;

public interface DiskManagerHelper extends DiskManager {
    public DiskAccessController getDiskAccessController();

    public DMPieceList getPieceList(int piece_number);

    public byte[] getPieceHash(int piece_number)

    throws TOTorrentException;

    /**
     * Stops the disk manager and informs the download manager that things have gone wrong.
     * 
     * @param reason
     */

    public void setFailed(String reason);

    public void setFailed(DiskManagerFileInfo file, String reason);

    public long getAllocated();

    public void setAllocated(long num);

    public void setPercentDone(int num);

    public void setPieceDone(DiskManagerPieceImpl piece, boolean done);

    public TOTorrent getTorrent();

    public String[] getStorageTypes();

    public String getStorageType(int fileIndex);

    public void accessModeChanged(DiskManagerFileInfoImpl file, int old_mode, int new_mode);

    public void skippedFileSetChanged(DiskManagerFileInfo file);

    public void priorityChanged(DiskManagerFileInfo file);

    public String getInternalName();

    public DownloadManagerState getDownloadState();

    public DiskManagerRecheckScheduler getRecheckScheduler();

}
